import 'package:flutter/material.dart';

class MyDialog extends Dialog {
  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    return Material(
      type: MaterialType.transparency,
      child: Center(
        child: Container(
          width: 200,
          height: 200,
          color: Colors.grey,
        ),
      ),
    );
  }
}
